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耿老师教你学Java:Integer类与2的幂次方问题
本文想利用熟悉的2的幂次方问题熟悉一下java.lang包中Integer类的一些方法,其目的一边以后在解决某些问题时,能想到这些方法,并恰如其分地使用这些方法,届时感叹:“众里寻他千百度,蓦然回首,那人却在灯火阑珊处”。 一、2的幂次方问题 判断一个正 ...
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